<!--车辆管理页-->
<template>
  <div style="height: 6vh;background-color:#fff;padding:10px 20px;">
    <span style="line-height:60px;font-size:20px;">车辆管理</span>
    <el-button @click="beforeAddVehicle" type="primary" style="float:right;margin-top:13px;">新建车辆</el-button>
  </div>
  <!-- 新增车辆弹窗 -->
  <el-dialog :title="dialogTitle" v-model="dialogVisible" style="width:1000px;padding:40px;" :before-close="handleClose">
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="车辆品牌">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.brand"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="车辆牌号">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.license"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="车辆型号">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.model"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="车辆识别码">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.code"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="车辆排量">
            <el-select placeholder="请选择" v-model="saveVehicleForm.displacement">
              <el-option label="1.6" value="1"></el-option>
              <el-option label="2.5" value="2"></el-option>
              <el-option label="4" value="3"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="车辆类型">
            <el-select placeholder="请选择" v-model="saveVehicleForm.type">
              <el-option v-for="item in vehicleTypeArr" :label="item.label" :value="item.value">
              </el-option>
<!--              <el-option label="轿车" value="10"></el-option>-->
<!--              <el-option label="货车" value="20"></el-option>-->
<!--              <el-option label="客车" value="30"></el-option>-->
<!--              <el-option label="挂车" value="40"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="车身颜色">
            <el-select placeholder="请选择" v-model="saveVehicleForm.color">
              <el-option v-for="item in vehicleColorArr" :label="item.label" :value="item.value"></el-option>
<!--              <el-option label="黑" value="10"></el-option>-->
<!--              <el-option label="白" value="20"></el-option>-->
<!--              <el-option label="蓝" value="30"></el-option>-->
<!--              <el-option label="灰" value="40"></el-option>-->
<!--              <el-option label="银" value="50"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="里程数">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.kilometers"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="购买时间">
            <el-date-picker type="date" format="YYYY-MM-DD" value-format="YYYY-MM-DD" v-model="saveVehicleForm.buyTime" @change="validateDate"/>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="上牌时间">
            <el-date-picker type="date" format="YYYY-MM-DD" value-format="YYYY-MM-DD" v-model="saveVehicleForm.regTime" @change="validateDate"/>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="购买价格">
            <el-input placeholder="请输入内容" v-model="saveVehicleForm.price"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="电池类型">
            <el-select placeholder="请选择" v-model="saveVehicleForm.batteryType">
              <el-option v-for="item in batteryTypeArr" :label="item.label" :value="item.value"></el-option>
<!--              <el-option label="铅酸蓄电池" value="10"></el-option>-->
<!--              <el-option label="镍氢电池" value="20"></el-option>-->
<!--              <el-option label="钠硫电池" value="30"></el-option>-->
<!--              <el-option label="二次锂电池" value="40"></el-option>-->
<!--              <el-option label="空气电池" value="50"></el-option>-->
<!--              <el-option label="三元锂电池" value="60"></el-option>-->
<!--              <el-option label="碱性燃料电池" value="70"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveVehicle">确定</el-button>
    </template>
  </el-dialog>
  <!-- 车辆搜索卡片 -->
  <el-card style="margin:20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="车辆品牌">
        <el-input placeholder="请输入内容" style="width:220px;" v-model="searchVehicleForm.brand"></el-input>
      </el-form-item>
      <el-form-item label="车牌号" style="width:290px;">
        <el-input placeholder="请输入内容" style="width:220px;" v-model="searchVehicleForm.license"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadVehicle">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 车辆列表 -->
  <el-card style="margin:20px;">
    <el-table :data="vehicleArr">
      <el-table-column type="index" label="编号" width="80" align="center"/>
      <el-table-column prop="brand" label="车辆品牌" align="center"/>
      <el-table-column prop="license" label="车牌号" align="center"/>
      <el-table-column prop="code" label="车辆识别码" align="center"/>
      <el-table-column prop="type" label="车辆类型" align="center" :formatter="vehicleTypeFormatter"/>
      <el-table-column prop="price" label="购买价格" align="center"/>
      <el-table-column prop="buyTime" label="购买时间" align="center"/>
      <el-table-column prop="regTime" label="上牌时间" align="center"/>
      <el-table-column prop="batteryType" label="电池类型" align="center" :formatter="batteryTypeFormatter"/>
      <el-table-column prop="status" label="车辆状态" align="center" :formatter="vehicleStatusFormatter"/>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" size="small" @click="editVehicle(scope.row.id)">编辑</el-button>
          <el-button link type="primary" size="small" @click="deleteVehicle(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>
<script setup>
  import {onMounted, ref} from "vue";
  import qs from "qs";
  import axios from "axios";
  import {ElMessage} from "element-plus";

  //控制新增车辆弹窗是否显示
  const dialogVisible = ref(false);
  //定义变量控制dialog的标题
  const dialogTitle = ref('新增车辆');
  //定义对象用来保存车辆的查询条件
  const searchVehicleForm = ref({brand:'',license:''});
  //定义数组用来保存车辆列表数据
  const vehicleArr = ref([]);
  //定义加载车辆的方法
  const loadVehicle = ()=>{
    let data = qs.stringify(searchVehicleForm.value);
    axios.get(BASE_URL+"/v1/vehicle/select?"+data)
         .then((response)=>{
           if(response.data.code == 2000){
             vehicleArr.value = response.data.data;
           }else{
             ElMessage.error(response.data.msg);
           }
         })
  };

  const vehicleTypeArr = ref([]);
  const vehicleColorArr = ref([]);
  const batteryTypeArr = ref([]);

  //一进到页面立即加载全部车辆
  onMounted(()=>{
    loadVehicle();
    loadDictOption(vehicleTypeArr,'vehicle_type');
    loadDictOption(vehicleColorArr,'vehicle_color');
    loadDictOption(batteryTypeArr,'battery_type');
  });
  //定义重置搜索的方法
  const resetSearch = ()=>{
    searchVehicleForm.value = {};
    loadVehicle();
  };
  //定义车辆类型列显示为文字的方法
  const vehicleTypeFormatter = (row,column,cellValue,index)=>{
    if(!vehicleTypeArr.value){
      return cellValue;
    }
    for(let item of vehicleTypeArr.value){
      if(item.value == cellValue)
      cellValue = item.label;
    }
    // switch (cellValue){
    //   case '10' : cellValue = '轿车';break;
    //   case '20' : cellValue = '客车';break;
    //   case '30' : cellValue = '货车';break;
    //   case '40' : cellValue = '挂车';
    // }
    return cellValue;
  };
  //
  const batteryTypeFormatter = (row,column,cellValue,index)=>{
    if(!batteryTypeArr.value){
      return cellValue;
    }
    for(let item of batteryTypeArr.value){
      if(item.value == cellValue){
        cellValue = item.label;
      }
    }
    // switch (cellValue){
    //   case '10' : cellValue = '铅酸蓄电池';break;
    //   case '20' : cellValue = '镍氢电池';break;
    //   case '30' : cellValue = '钠硫电池';break;
    //   case '40' : cellValue = '二元锂电池';break;
    //   case '50' : cellValue = '空气电池';break;
    //   case '60' : cellValue = '三元锂电池';break;
    //   case '70' : cellValue = '碱性燃料电池';
    // }
    return cellValue;
  };
  //定义车辆状态列显示为文字的方法
  const vehicleStatusFormatter = (row,column,cellValue,index)=>{
    if(cellValue==1){
      cellValue = '空闲';
    }else if(cellValue==2){
      cellValue = '占用'
    }
    return cellValue;
  };
  //点击新增车辆按钮 显示弹窗并设置标题
  const beforeAddVehicle = ()=>{
    dialogTitle.value = '新增车辆';
    dialogVisible.value = true;
  };
  //定义对象用来保存车辆弹窗表单数据
  const saveVehicleForm = ref({brand:'',license:'',model:'',code:'',displacement:'',
    type:'',color:'',kilometers:'',buyTime:'',regTime:'',price:'',batteryType:''});
  //定义校验购买时间与上牌时间先后顺序的方法
  const validateDate = ()=>{
    const buyTime = saveVehicleForm.value.buyTime;
    const regTime = saveVehicleForm.value.regTime;
    // if里是布尔值 buyTime && regTime运用了运算会进行判定购买时间和上牌时间是否是JS布尔类型的5个特殊值 短路与前为false后面就不执行了
    if(buyTime && regTime && new Date(regTime)<=new Date(buyTime)){
      ElMessage.error('上牌时间不能早于购买时间！');
      saveVehicleForm.value.regTime = '';
    }
  };
  //定义保存车辆的方法
  const saveVehicle = ()=>{
    let data = qs.stringify(saveVehicleForm.value);
    axios.post(BASE_URL+"/v1/vehicle/save",data)
         .then((response)=>{
           if(response.data.code == 2000){
             ElMessage.success('保存车辆成功！');
             //保存车辆成功后。需要清空表单数据，关闭弹窗
             dialogVisible.value = false;
             loadVehicle();
             saveVehicleForm.value = {};
           }else{
             //数据库里的code和license设置了唯一约束，如果插入重复的值会操作失败，我们可以设置明确的提示语句
             ElMessage.error('车辆的车牌号与识别码不允许重复');
           }
         })
  };
  //定义处理关闭弹窗的方法
  const handleClose = ()=>{
    if(confirm('您确认要关闭弹窗吗?')){
      saveVehicleForm.value = {};
      dialogVisible.value = false;
    }
  };

  //定义编辑车辆的方法 要注意传入id 点击事件是根据id来进行的editVehicle(scope.row.id)
  const editVehicle = (id)=>{
    dialogTitle.value = '编辑车辆';
    dialogVisible.value = true;
    //回显数据
    axios.get(BASE_URL+"/v1/vehicle/select?id="+id)
         .then((response)=>{
           if (response.data.code == 2000){
             saveVehicleForm.value = response.data.data[0];
           }else {
             ElMessage.error(response.data.msg);
           }
         });
  };
  //定义删除车辆的方法
  const deleteVehicle = (id)=>{
    axios.post(BASE_URL+"/v1/vehicle/delete?id="+id)
          .then((response)=>{
            if(response.data.code == 2000){
              confirm('您确定删除该车辆吗?')
              ElMessage.success('删除车辆成功！');
              loadVehicle();
            }else{
              ElMessage.error(response.data.msg);
            }
          });
  };


</script>

